EPA Method 8040 - Surrogate Standard Mix Back Catalog number: 80413 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1269.9-K-IO 1,3,5-Trimethylbenzene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 108-67-8 Price on request 33271 Cycloheptane Price on request 3466.7-100 Oxamyl, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 23135-22-0 Price on request